Gunpowder WikipediaGunpowder, also known as black powder to distinguish it from modern smokeless gunpowder, is the earliest known chemical explosive. It consists of a mixture of sulfur, ...not

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Sulfur WikipediaSulfur (American English) or sulphur (British English) is a chemical element with symbol S and atomic number 16. It is abundant, multivalent, and nonmetallic.AN INTRODUCTION TO

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